Home / 837,966.68-1,156,420.20-475,405.84

Finding the Fourth Proportional to 837,966.68, 1,156,420.20 and 475,405.84

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Solution

The fourth proportional to 837,966.68, 1,156,420.20 and 475,405.84 is: 656,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,966.68 : 1,156,420.20 = 475,405.84 : x
  2. Step 2: Convert to fraction form
    837,966.68/1,156,420.20 = 475,405.84/x
  3. Step 3: Cross multiply
    837,966.68x = 1,156,420.20 × 475,405.84
  4. Step 4: Simplify right side
    837,966.68x = 549,768,916,573.97
  5. Step 5: Solve for x
    x = 549,768,916,573.97/837,966.68
  6. Step 6: Final answer
    x = 656,074.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.